package com.jerry.template.views;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Movie;
import android.util.AttributeSet;
import android.view.View;

import com.jerry.template.R;

/**
 * Created by chenhuan on 2016/5/10.
 */


    public class MyGifView extends View{

        private long movieStart;

        private Movie movie;

        //此处必须重写该构造方法

        public MyGifView(Context context, AttributeSet attributeSet) {

            super(context,attributeSet);

            //以文件流（InputStream）读取进gif图片资源

            movie=Movie.decodeStream(getResources().openRawResource(R.drawable.hot_commenticon_textpage));

        }



        @Override

        protected void onDraw(Canvas canvas) {

            long curTime=android.os.SystemClock.uptimeMillis();

            //第一次播放

            if (movieStart == 0) {

                movieStart = curTime;

            }

            if (movie != null) {

                int duraction = movie.duration();

                int relTime = (int) ((curTime-movieStart)%duraction);

                movie.setTime(relTime);

                movie.draw(canvas, 0, 0);

                //强制重绘

                invalidate();

            }

            super.onDraw(canvas);

        }

    }

